Sanitize `citation_finder` in `document_search`

app/controllers/concerns/document_search.rb

@@ -1,5 +1,6 @@
 module DocumentSearch
   def document_search(search_params)
+    search_params.each { |k, v| params[k] = v.gsub(/“|”/, '"') if v.is_a?(String) }
     fulltext_fields = %i[reference_number title short_title].freeze
 
     search = Cdao::Document.search do
@@ -13,7 +14,7 @@ module DocumentSearch
 
       without(:id).any_of(search_params[:exclude_ids]) if search_params[:exclude_ids].present?
 
-      with(:citation_finders_names).any_of([search_params[:citation_finder]]) if search_params[:citation_finder].present?
+      with(:citation_finders_names).any_of(sanitize_citer_finder_param(search_params[:citation_finder])) if search_params[:citation_finder].present?
 
       with(:is_only_in_premium_libraries, false)
 
@@ -28,4 +29,44 @@ module DocumentSearch
 
     search
   end
+
+  def sanitize_citer_finder_param(citation_finder_param)
+    citation_finder = []
+    params_vol = []
+    params_type = []
+    params_page = []
+    params[:citation_finder].scan(/\b((\d+\-?\w?)\s(SCRA|PhilRep|Phil|\S+)\.?,?\s?([-,\d\s]+)?)\b/i).map do |cit_fin|
+      params_vol << cit_fin[1].gsub(/\s+/, "").gsub(/\A0*/, "")
+      params_type.concat(case cit_fin[2]
+                          when /SCRA/i
+                            ["SCRA"]
+                          when /(PhilRep|Phil)\.?,?/i
+                            ["Phil"]
+                          else
+                            []
+      end
+                        )
+      cit_fin[3].scan(/\d+-?\d*/).each do |page|
+        if page.match?(/-/)
+          page_range = []
+          page.scan(/\d+?\d*/).each do |each_page|
+            page_range << each_page.to_i
+          end
+          params_page.concat((page_range[0]..page_range[1]).to_a)
+        else
+          params_page << page.to_i if params_page.index(page.to_i).blank?
+        end
+      end if cit_fin[3].present?
+    end
+
+    params_type.compact.each do |type|
+      citation_finder << "#{params_vol[0] if params_vol.present?} #{type}" if params_page.blank?
+      params_page.compact.uniq.each do |page|
+        citation_finder << "#{params_vol[0] if params_vol.present?} #{type} #{page}"
+      end
+    end
+
+    return [] if citation_finder.blank?
+    citation_finder
+  end
 end